{
  "manageEntity": {
    "action": "Repost",
    "entityId": "839237639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd65bf51e653705ecb6f6d7f8a7df1720c3e1eb647da6f2a0c0db6c581ae87df5",
    "signature": "0xc1c0a0e54ed0135cc98c9bb5b48391535111b8b29d4250774cc510a7ce9f63be6fb126aa23bd706733db1b61f1b30a0760e194e288213ff187b4c8044bf2f6fa1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}